When aliens called

We’ve become so accustomed to space walks on TV and tethered astronauts effecting repairs out there that the notion of space sometimes seems, not something palpable, but merely the stuff of “news”.Not so in a relatively small area on US Highway 60, New Mexico, where you’re brought face to face with continuing radio probes into space and, extraordinarily, the prospect of visitors from beyond the stars.Trundling along the windswept miles, with not much to see, you’re suddenly startled by what looks like a display of monumental public art: things looking like tiny discs, spaced at regular intervals, covering miles of open landscape and replicated on the other side of the highway.

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